Software and BASIC

Software and BASIC

1. Application Software

2. System Software

   • Operating Software
     • supervises and controls the hardware
     • Starting up - booting the system
     • BIOS executes power on self test, checks hardware, if good then bios starts OS
     • Scheduling hardware operations determines when CPU will do each task
     • memory management - relates to memory
     • Controlling Peripheral devices- communicates with input,output and storage
     • File management - OS organises, keeps track
     • System settings - The OS changes computer settings
   • Manages all operations needed to run a computer
   • 2 Types : Operating software and utitlity software
   • Utility software
     • performs routine tasks to support operation of OS
     • File compression - reduce file size
     • diagnostic tools - gather technical info about hardware and software
     • disk scanner - detect and correct disk problems

3. Custom Software

4. User Interface

5. Data Handling

6. data representation

7. Algorithms

8. Detailed instructions used to direct hardware to perform a particular task